Semiconductor Electronics Material Devices and Simple Circuits
151001
The light emitting diode (LED) is
1 a heavily doped p-n junction with no external bias
2 a heavily doped p-n junction with reverse bias
3 a heavily doped p-n junction with forward bias
4 a lightly doped p-n junction with no external bias
5 a lightly doped p-n junction with reverse bias
Explanation:
C The light emitting diode (LED) is a heavily doped p-n junction which under forward bias emit spontaneous radiation.
Kerala CEE- 2014
Semiconductor Electronics Material Devices and Simple Circuits
151002
LCD stands for
1 Light carrying Diode
2 Liquid Crystal Display
3 Long Crystal Display
4 Light Crystal Display
Explanation:
B LCD is the abbreviation of Liquid Crystal Display.
COMEDK 2012
Semiconductor Electronics Material Devices and Simple Circuits
151006
The schematic symbol of light emitting diode is (LED)
1
2
3
4
Explanation:
B The light emitting diode is a special type of diode. It can pass current in its forward direction but blocks the current flow in reverse direction. It emits the light out of the diode. Hence, in symbol of LED the outgoing arrows are shown.
MHT-CET 2016
Semiconductor Electronics Material Devices and Simple Circuits
151008
LED is a p-n junction diode which is
1 forward biased
2 either forward biased or reverse biased
3 reverse biased
4 neither forward biased nor reverse biased
Explanation:
B A light emitting diode (LED) is a \(\mathrm{p}-\mathrm{n}\) junction diode that emits light when activated. It works in forward bias.
MHT-CET 2010
Semiconductor Electronics Material Devices and Simple Circuits
151009
The PN junction which generates an emf when solar radiation falls on it, with no external bias applied, is a
1 light emitting diode
2 photodiode
3 solar cell
4 zener diode
Explanation:
B The \(\mathrm{P}-\mathrm{N}\) junction which generates an \(\mathrm{emf}\) when solar radiation falls on it, with no-external bias applied, is a photodiode.
Semiconductor Electronics Material Devices and Simple Circuits
151001
The light emitting diode (LED) is
1 a heavily doped p-n junction with no external bias
2 a heavily doped p-n junction with reverse bias
3 a heavily doped p-n junction with forward bias
4 a lightly doped p-n junction with no external bias
5 a lightly doped p-n junction with reverse bias
Explanation:
C The light emitting diode (LED) is a heavily doped p-n junction which under forward bias emit spontaneous radiation.
Kerala CEE- 2014
Semiconductor Electronics Material Devices and Simple Circuits
151002
LCD stands for
1 Light carrying Diode
2 Liquid Crystal Display
3 Long Crystal Display
4 Light Crystal Display
Explanation:
B LCD is the abbreviation of Liquid Crystal Display.
COMEDK 2012
Semiconductor Electronics Material Devices and Simple Circuits
151006
The schematic symbol of light emitting diode is (LED)
1
2
3
4
Explanation:
B The light emitting diode is a special type of diode. It can pass current in its forward direction but blocks the current flow in reverse direction. It emits the light out of the diode. Hence, in symbol of LED the outgoing arrows are shown.
MHT-CET 2016
Semiconductor Electronics Material Devices and Simple Circuits
151008
LED is a p-n junction diode which is
1 forward biased
2 either forward biased or reverse biased
3 reverse biased
4 neither forward biased nor reverse biased
Explanation:
B A light emitting diode (LED) is a \(\mathrm{p}-\mathrm{n}\) junction diode that emits light when activated. It works in forward bias.
MHT-CET 2010
Semiconductor Electronics Material Devices and Simple Circuits
151009
The PN junction which generates an emf when solar radiation falls on it, with no external bias applied, is a
1 light emitting diode
2 photodiode
3 solar cell
4 zener diode
Explanation:
B The \(\mathrm{P}-\mathrm{N}\) junction which generates an \(\mathrm{emf}\) when solar radiation falls on it, with no-external bias applied, is a photodiode.
Semiconductor Electronics Material Devices and Simple Circuits
151001
The light emitting diode (LED) is
1 a heavily doped p-n junction with no external bias
2 a heavily doped p-n junction with reverse bias
3 a heavily doped p-n junction with forward bias
4 a lightly doped p-n junction with no external bias
5 a lightly doped p-n junction with reverse bias
Explanation:
C The light emitting diode (LED) is a heavily doped p-n junction which under forward bias emit spontaneous radiation.
Kerala CEE- 2014
Semiconductor Electronics Material Devices and Simple Circuits
151002
LCD stands for
1 Light carrying Diode
2 Liquid Crystal Display
3 Long Crystal Display
4 Light Crystal Display
Explanation:
B LCD is the abbreviation of Liquid Crystal Display.
COMEDK 2012
Semiconductor Electronics Material Devices and Simple Circuits
151006
The schematic symbol of light emitting diode is (LED)
1
2
3
4
Explanation:
B The light emitting diode is a special type of diode. It can pass current in its forward direction but blocks the current flow in reverse direction. It emits the light out of the diode. Hence, in symbol of LED the outgoing arrows are shown.
MHT-CET 2016
Semiconductor Electronics Material Devices and Simple Circuits
151008
LED is a p-n junction diode which is
1 forward biased
2 either forward biased or reverse biased
3 reverse biased
4 neither forward biased nor reverse biased
Explanation:
B A light emitting diode (LED) is a \(\mathrm{p}-\mathrm{n}\) junction diode that emits light when activated. It works in forward bias.
MHT-CET 2010
Semiconductor Electronics Material Devices and Simple Circuits
151009
The PN junction which generates an emf when solar radiation falls on it, with no external bias applied, is a
1 light emitting diode
2 photodiode
3 solar cell
4 zener diode
Explanation:
B The \(\mathrm{P}-\mathrm{N}\) junction which generates an \(\mathrm{emf}\) when solar radiation falls on it, with no-external bias applied, is a photodiode.
NEET Test Series from KOTA - 10 Papers In MS WORD
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Semiconductor Electronics Material Devices and Simple Circuits
151001
The light emitting diode (LED) is
1 a heavily doped p-n junction with no external bias
2 a heavily doped p-n junction with reverse bias
3 a heavily doped p-n junction with forward bias
4 a lightly doped p-n junction with no external bias
5 a lightly doped p-n junction with reverse bias
Explanation:
C The light emitting diode (LED) is a heavily doped p-n junction which under forward bias emit spontaneous radiation.
Kerala CEE- 2014
Semiconductor Electronics Material Devices and Simple Circuits
151002
LCD stands for
1 Light carrying Diode
2 Liquid Crystal Display
3 Long Crystal Display
4 Light Crystal Display
Explanation:
B LCD is the abbreviation of Liquid Crystal Display.
COMEDK 2012
Semiconductor Electronics Material Devices and Simple Circuits
151006
The schematic symbol of light emitting diode is (LED)
1
2
3
4
Explanation:
B The light emitting diode is a special type of diode. It can pass current in its forward direction but blocks the current flow in reverse direction. It emits the light out of the diode. Hence, in symbol of LED the outgoing arrows are shown.
MHT-CET 2016
Semiconductor Electronics Material Devices and Simple Circuits
151008
LED is a p-n junction diode which is
1 forward biased
2 either forward biased or reverse biased
3 reverse biased
4 neither forward biased nor reverse biased
Explanation:
B A light emitting diode (LED) is a \(\mathrm{p}-\mathrm{n}\) junction diode that emits light when activated. It works in forward bias.
MHT-CET 2010
Semiconductor Electronics Material Devices and Simple Circuits
151009
The PN junction which generates an emf when solar radiation falls on it, with no external bias applied, is a
1 light emitting diode
2 photodiode
3 solar cell
4 zener diode
Explanation:
B The \(\mathrm{P}-\mathrm{N}\) junction which generates an \(\mathrm{emf}\) when solar radiation falls on it, with no-external bias applied, is a photodiode.
Semiconductor Electronics Material Devices and Simple Circuits
151001
The light emitting diode (LED) is
1 a heavily doped p-n junction with no external bias
2 a heavily doped p-n junction with reverse bias
3 a heavily doped p-n junction with forward bias
4 a lightly doped p-n junction with no external bias
5 a lightly doped p-n junction with reverse bias
Explanation:
C The light emitting diode (LED) is a heavily doped p-n junction which under forward bias emit spontaneous radiation.
Kerala CEE- 2014
Semiconductor Electronics Material Devices and Simple Circuits
151002
LCD stands for
1 Light carrying Diode
2 Liquid Crystal Display
3 Long Crystal Display
4 Light Crystal Display
Explanation:
B LCD is the abbreviation of Liquid Crystal Display.
COMEDK 2012
Semiconductor Electronics Material Devices and Simple Circuits
151006
The schematic symbol of light emitting diode is (LED)
1
2
3
4
Explanation:
B The light emitting diode is a special type of diode. It can pass current in its forward direction but blocks the current flow in reverse direction. It emits the light out of the diode. Hence, in symbol of LED the outgoing arrows are shown.
MHT-CET 2016
Semiconductor Electronics Material Devices and Simple Circuits
151008
LED is a p-n junction diode which is
1 forward biased
2 either forward biased or reverse biased
3 reverse biased
4 neither forward biased nor reverse biased
Explanation:
B A light emitting diode (LED) is a \(\mathrm{p}-\mathrm{n}\) junction diode that emits light when activated. It works in forward bias.
MHT-CET 2010
Semiconductor Electronics Material Devices and Simple Circuits
151009
The PN junction which generates an emf when solar radiation falls on it, with no external bias applied, is a
1 light emitting diode
2 photodiode
3 solar cell
4 zener diode
Explanation:
B The \(\mathrm{P}-\mathrm{N}\) junction which generates an \(\mathrm{emf}\) when solar radiation falls on it, with no-external bias applied, is a photodiode.
